子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Well comprising a safety mechanism and sensors | US14712022 | 2015-05-14 | US09714552B2 | 2017-07-25 | Shaun Compton Ross; Leslie David Jarvis |
| A well comprising: (a) a safety mechanism, the safety mechanism comprising: (i) an obstructing member moveable between a first position where fluid flow is permitted, and a second position where fluid flow is restricted; (ii) a movement mechanism; (iii) and a wireless receiver, adapted to receive a wireless signal; wherein the movement mechanism is operable to move the obstructing member from one of the first and second positions to the other of the first and second positions in response to a change in the signal being received by the wireless receiver; (b) sensors to detect a parameter in the well, in the vicinity of the safety mechanism; wherein a sensor is provided above and a sensor is provided below the safety mechanism. Embodiments of the invention have acoustic and/or electromagnetic receivers or transceivers. | ||||||
| 182 | Applications of degradable polymer for delayed mechanical changes in wells | US14493770 | 2014-09-23 | US09708878B2 | 2017-07-18 | Claude E. Cooke, Jr. |
| Degradable polylactic or polyhydroxyalkanoate polymers may be used to viscosify aqueous fluids for use in wells. Sand control screen or liner can be coated with a solid degradable polymer during placement in a well. Mechanical changes or flow changes in a well can be caused by solid degradable polymer that changes physical properties after it is placed in a well. Parts of devices or entire devices can be made of solid degradable polymer that converts to a fluid after selected times in an aqueous environment in a well. | ||||||
| 183 | DEGRADABLE EXTRUSION RESISTANT COMPOSITIONS AND ARTICLES OF MANUFACTURE | US14953472 | 2015-11-30 | US20170152371A1 | 2017-06-01 | Ping Duan; Anil K. Sadana; Suman Khatiwada; Yingqing Xu; Xiao Wang |
| A degradable polymer composition comprises a polyurethane comprising ester groups in a backbone of the polyurethane and carboxylic acid groups attached to the backbone of the polyurethane; and a filler comprising one or more of the following: a powder comprising particles having an average particle size of about 5 microns to about 500 microns; or a fiber having an average length of about ⅛ inch to about 5 inches. Also disclosed are articles comprising the composition. A method to degrade the article includes exposing the article to a fluid at a temperature of about 25° C. to about 300° C. | ||||||
| 184 | VALVE SEAT RING AND MULTI-WAY VALVE HAVING VALVE SEAT RING | US15317769 | 2014-08-21 | US20170130850A1 | 2017-05-11 | Mingmin WAN; Jianshe YAO; Zhi GAO; Yunzhao CHEN; Liyun ZHU |
| Disclosed are a valve seat ring and a multi-way valve having the valve seat ring. The multi-way valve comprises an upper valve body, a lower valve body and a rotary valve core, wherein the valve seat ring is located in the rotary valve core, the valve seat ring comprises a body, the body is provided with a penetrated through-hole, a first annular boss is arranged on an outer wall of the body, and a second annular boss is arranged on an inner wall; the upper surfaces of the first annular boss and the second annular boss are respectively flush with the upper surface of the body to form a sealing surface which fits with a sealing surface of the upper valve body in a sealed manner; and an annular gap is formed between the lower surface of the first annular boss and the rotary valve core, so that liquid in the chamber and an oil incoming channel respectively acts on the lower surface of the first annular boss or the second annular boss to form a sealing load. A pressure is applied from either the chamber or a metering orifice, a sealing load hydraulically acted on the valve seat ring is formed by the hydraulic acting force of the chamber or the metering orifice, and the hydraulic adaptability for sealing the valve seat ring is realized, thereby meeting the requirement of sealing in the multi-way valve at the leakage level of sealing level VI under a high-pressure difference. | ||||||
| 185 | One trip perforation and flow control method | US13869690 | 2013-04-24 | US09631462B2 | 2017-04-25 | Ricardo A. Tirado; Stephen N. Zuklic |
| A perforating gun is run in the hole with a valve assembly. Both are remotely actuated with known telemetry techniques. The gun is fired and flow takes place through the gun and is regulated remotely from the surface without further wellbore intervention. The valve assembly can be a sliding sleeve that can be regulated between end positions and in between for flow regulation. Other valve types are contemplated. Signaling can be by acoustic or pressure pulse patterns that work in association with a processor to actuate the gun and the valve assembly in the needed sequence. | ||||||
| 186 | CONNECTOR ASSEMBLY FOR CONNECTING A HOSE TO A TUBULAR | US15105571 | 2014-12-17 | US20160348449A1 | 2016-12-01 | ALEXANDER JOHN MACGREGOR; TED JEE VOON |
| A connector assembly for connecting a hose to a tubular element. The connector assembly includes a housing, a hose connector, and a latch. The housing encloses a main passage which is parallel to a longitudinal axis of the housing and which has a side passage extending through the housing from an exterior of the housing into the main passage. The side passage extends through a connector tube mounted on an exterior of the housing. A hose connector is secured to an end of the hose and engages with the connector tube to connect the hose to the tubular element. The hose connector comprises a pipe portion which mates with the connector tube to connect an interior of the hose to the side passage. The latch urges the connector tube and the pipe portion into engagement and prevents a separation thereof. | ||||||
| 187 | FLUID FLOW CONTROL VALVE | US15110344 | 2015-01-20 | US20160333663A1 | 2016-11-17 | Eirik VOLENT |
| Fluid flow control valve, the valve comprising a valve housing (10) provided with a flow channel (12), which in direction from the inlet section to the outlet section, comprises a substantially conical inlet (13), a valve seat (14), and a diffuser (15) at the outlet section, which transfers into a flow channel (16). A needle-shaped spindle (11) is arranged axially movable within the flow channel (12) and exhibits a largest diameter DN. The inlet (13) exhibits a first conical inlet section (13′) having an angle α1 of 15° with the longitudinal axis of the flow channel (12), and a second inlet section (13″) with a radius of curvature R2 equal to 5.7 times the diameter DN of the spindle (11). The diffuser (15) is conical having an increasing cross-section in the flow direction by an angle α2 of 30° with the longitudinal axis in the flow channel (12). The design of the valve produces minimum erosion at the inlet section, and minimum cavitation and erosion in the diffuser section (15). | ||||||
| 188 | METHOD AND APPARATUS FOR RETAINING WEIGHTED FLUID IN A TUBULAR SECTION | US15104481 | 2014-01-15 | US20160312576A1 | 2016-10-27 | Henry Eugene Rogers; Earl Don Webb |
| A floating apparatus for use in a casing string and especially for use in offshore casing operations. The apparatus includes a valve configured such that, when there is a pressure differential across the valve below a predetermined mid-pressure threshold, the valve prevents fluid flow and, when the pressure differential exceeds a predetermined high-pressure threshold, said valve non-resiliently allows fluid flow across the valve. | ||||||
| 189 | BACK PRESSURE VALVE | US15071201 | 2016-03-15 | US20160273302A1 | 2016-09-22 | Dennis P. Nguyen; Kirk P. Guidry; Thomas E. Taylor |
| A system in some embodiments includes a back pressure valve configured to mount in a mineral extraction system. The back pressure valve comprises a cylindrical body comprising a venting port coaxial with a longitudinal axis of the cylindrical body and a plunger disposed in the venting port, wherein the plunger comprises a stem that extends from the venting port into an adjacent cavity of the cylindrical body. In some embodiments, a method of operating a valve, includes biasing a plunger to an open position, biasing a valve locking mechanism to a locked position in relation to a bore of a mineral extraction system, and biasing a plunger to a closed position. | ||||||
| 190 | Internal blow out preventer | US14580342 | 2014-12-23 | US09422785B2 | 2016-08-23 | Slawomir Kukielka |
| An internal blow out preventer for use in a drill string, comprising a housing having an outer valve closure element and where the outer valve closure element is configured to be moved between an open and a closed position, wherein the outer valve closure element is provided with an inner valve closure element that is configured to be moved between an open and a closed position inside the outer valve closure element. | ||||||
| 191 | BOREHOLE PRESSURE MANAGEMENT METHODS AND SYSTEMS WITH ADAPTIVE LEARNING | US14917559 | 2013-11-15 | US20160222741A1 | 2016-08-04 | James Randolph Lovorn; Saad Saeed; Isabe Cristina Poletzky; Nancy Suzan Davis |
| Various managed pressure drilling tools, systems, and methods are disclosed. An example method includes obtaining a model-based pressure prediction and sensor-based pressure measurements during borehole drilling operations. The method also includes determining a real-time learning calculation using the model-based pressure prediction and at least some of the sensor-based pressure measurements. The method also includes updating a formation pressure model based at least in part on the real-time learning calculation. The method also includes controlling annular pressure for the borehole drilling operations based on a pressure predicted by the updated formation pressure model. | ||||||
| 192 | Downhole valve assembly | US13648567 | 2012-10-10 | US09376889B2 | 2016-06-28 | Michael Adam Reid; Gary Henry Smith |
| A downhole valve assembly operable to control production fluid flow around an obstruction in a production tubing string. The obstruction may be caused by another valve or valve assembly located in the production tubing string, where the valve is closed and blocks flow through the production tubing. The downhole valve assembly comprises a tubular body that includes an axial passage extending through the body and one or more ports extending substantially radially through the body. The downhole valve assembly also includes one or more actuating members operable to move relative to the body. Movement of the actuating members selectively opens the ports such that a fluid flow path through the ports is defined between an annulus region outside of the valve assembly and the axial passage such that the blockage can be bypassed. | ||||||
| 193 | System and method for steering in a downhole environment using vibration modulation | US14714842 | 2015-06-04 | US09316100B2 | 2016-04-19 | Todd W. Benson |
| A system for making bottom hole assembly (BHA) measurements in the bottom hole assembly (BHA) includes a vibration mechanism configured to use mechanical energy provided by a mechanical energy source to produce a plurality of vibration beats at the BHA. At least one vibration sensor detects the plurality of vibration beats generated by the vibration mechanism. A controller generates a waveform responsive to the detected plurality of vibration beats. The waveform is generated in a first configuration when the BHA has a first weight on bit (WOB) or revolutions per minute (RPM) measurement based on the detected plurality of vibration beats and the waveform is generated in a second configuration when the BHA has a second WOB or RPM measurement based on the detected plurality of vibration beats. | ||||||
| 194 | PENETRATOR FOR A PUNCTURE COMMUNICATION TOOL AND METHOD | US14329331 | 2014-07-11 | US20160010431A1 | 2016-01-14 | Ronald J. Garr; Brett C. Jones; John D. Lindemann; Michael L. Hair; Thomas S. Myerley |
| A penetrator for a Puncture Communication Tool includes a base; a body extending from the base and terminating at a tip; and a fluid bypass disposed in the body. A method for communicating a hydraulic chamber. | ||||||
| 195 | System and method for secure downhole intelligent completions | US11759321 | 2007-06-07 | US09235838B2 | 2016-01-12 | Paul D. Gerardi; Valery Polyakov; Terizhandur S. Ramakrishnan; Bertrand du Castel |
| A flow control apparatus for controlling fluid flow in a petroleum reservoir. The flow control apparatus has a flow control mechanism, a controller operable to control the flow control mechanism to adjust fluid flow through the flow control mechanism, the controller comprising a processor operable to execute according to a control algorithm, and a non-volatile memory connected to the controller. The non-volatile memory includes instructions to cause the controller to execute an authentication mechanism operable to authenticate a control computer and to prevent operation of the controller until the authentication mechanism authenticates the control computer. | ||||||
| 196 | Well fracturing systems and methods | US14493001 | 2014-09-22 | US09222345B2 | 2015-12-29 | Gregory A. Conrad |
| A fracturing system can include a fracturing manifold coupled to a plurality of fracturing trees. The fracturing manifold may include adjustment joints that enable adjustment of the length of the fracturing manifold. The fracturing manifold can also include pivot joints that allow angular displacement of portions of the fracturing manifold with respect to other portions. The adjustment and pivot joints can accommodate spacing and elevation differences between the fracturing trees. | ||||||
| 197 | Gate Valve Rotary Actuator | US14838179 | 2015-08-27 | US20150369001A1 | 2015-12-24 | Loc Gia Hoang |
| A subsea system includes a subsea manifold comprising a plurality of well connections, the subsea manifold configured to be in fluid communication with a plurality of wells through the plurality of well connections and a plurality of valves, each corresponding to one of the plurality of well connections, to control fluid flow through the corresponding well connections. The subsea system further includes a valve actuator comprising a transmission and a motor, the valve actuator coupled to at least one of the plurality of valves to move the valve between an open position and a closed position and a remote controller configured to communicate with and control the valve actuator. | ||||||
| 198 | WELL TOOL SCALE BUILDUP TEST, MODEL AND MITIGATION | US14758083 | 2013-04-12 | US20150356210A1 | 2015-12-10 | Syed HAMID; Christopher L. EDWARDS; Juanita M. CASSIDY; Pete DAGENAIS |
| Testing scale buildup in a well tool can include pressurizing separate cationic and anionic solutions, then heating the separate solutions, mixing together the solutions, and exposing the well tool to the mixed solutions. A well tool can be constructed by a) determining velocities of flow at a predetermined offset from surfaces of a geometric model representative of the well tool, b) calculating scale buildup on the surfaces based at least in part on the velocities, c) reducing pressure change per unit distance along selected ones of the surfaces having greater than a predetermined level of scale buildup, and d) repeating steps a-c until all scale buildup is no greater than the predetermined level. A method of predicting scale buildup can include inputting a parameter indicative of flow through a well tool to a mathematical model, which determines a rate of scale buildup on a surface of the well tool. | ||||||
| 199 | Multiple ball-ball seat for hydraulic fracturing with reduced pumping pressure | US13174860 | 2011-07-01 | US09181778B2 | 2015-11-10 | Jose Hurtado; John C. Wolf |
| A downhole isolation tool including a sub, a sleeve disposed in the sub, and a ball seat mandrel coupled to the sleeve, the ball seat mandrel having at least two ball seats axially aligned with at least two throughbores disposed within the ball seat mandrel. A method of isolating a well, the method including running a downhole isolation system into a well, wherein the downhole isolation system includes a first downhole isolation tool, the first downhole isolation tool including a first sub, a first sleeve disposed in the sub, and a first ball seat mandrel coupled to the first sleeve, the first ball seat mandrel having at least two ball seats of a first size axially aligned with at least two throughbores disposed within the first ball seat mandrel, dropping at least two balls of a first size into the well, and seating the at least two balls of the first size in the at least two ball seats of the first ball seat mandrel. | ||||||
| 200 | VENT VALVE AND METHOD OF USE | US14669442 | 2015-03-26 | US20150285392A1 | 2015-10-08 | Robert Andrew Hunt; Kevin Read |
| A vent valve comprises a valve housing defining a vent port and a valve member mounted within the housing so as to define a fluid system chamber and an activation chamber with the housing. The valve member is biased towards a closed position, in which fluid communication between the fluid system chamber and the vent port is prevented, by fluid pressure within the fluid system chamber acting on the valve member. The valve member is biased towards an open position, in which there is fluid communication between the fluid system chamber and the vent port, by fluid pressure within the activation chamber acting on the valve member. The vent valve further comprises a pressure limiting arrangement associated with the activation chamber to limit pressure therein to a predetermined pressure value. | ||||||
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